In an alternate universe of Avatar: The Last Airbender, Toph Beifong becomes the stretchable Ms. Fantastic, Ty Lee as Invisible Woman, Katara as the Human Torch, and Azula as the Thing. They become

Once in a distant universe, far removed from our own, there lies a land imbued with the essence of the Avatar: The Last Airbender. This unusual world takes the familiar avatar universe and instead grants the extraordinary powers of the Fantastic Four to the characters we all know. The story begins with a team of well-regarded benders embarking on an exploratory space mission to unravel the mysteries of energy bending. Toph Beifong, Katara, Ty Lee, and Azula make up this team. Toph, known for her stubborn nature and tough exterior, was the ideal candidate for the group's leader. During their space exploration, the foursome is caught in a rippling cosmic wave. When they return home, they find themselves greatly changed. Toph, once a blind earthbender with the unique ability to see through vibrations, discovers she has acquired a body as flexible and resilient as her indomitable spirit, transforming into Ms. Fantastic with powers akin to Mr. Fantastic's elasticity. Ty Lee, a non-bender with exceptional agility and the ability to paralyze her opponents, is now the Invisible Woman. She can now not only mask her presence physically but also become invisible. Her quick-witted nature makes her adept at using her new abilities and she can even project force fields. The gentle and caring waterbender Katara finds herself engulfed in searing flames without getting harmed. She is the Human Torch, possessing the ability to fly and harness flames, a remarkable turn of fate that sees her control fire's fierce energy instead of calming water. Lastly, the fiery and tough Azula gains a rocky exterior that's as unyielding as her will. She is the Thing, strong, majestic, and practically invincible. Strangely, this transformation had an unexpected grounding influence on the firebender, who retained her sharp intelligence while her cruel tendencies slowly ebbed away. Even though initially bewildered, the quartet soon accepts their newfound abilities. They become the Fantastic Four, dedicating their skills and powers to save their world from various threats while trying to understand their transformations. Their shared experience brings them together in ways they had not anticipated. Despite their starkly different personalities, the newfound 'Fantastic Four' works in harmony when it matters the most. Their bickering only masks the deep bond they share, and they are there for each other when the stakes are high. The world seems more magical as the Fantastic Four protect it. Their tale is an exhilarating adventure, highlighting that those who were once ordinary could become extraordinary when given the chance. It is a testament to the spirit of unity, resilience, friendship, and above all, the power of change. This alliance and transformation of the Avatar characters in the role of the Fantastic Four indeed makes for an intriguing alternate universe.